2888379 - I80 HEADLAMP ALIGNMENT CORRECTOR NOT WORKING

When the knob on the dashboard is operated, with the dipped beam headlamps on, the headlamp adjustment function does not work.
Results of the tests
1CHECK HEADLAMP ADJUSTMENT MOTORAll OKProblems metOperation
Check that the headlamp adjustment motor is working properlyContinue to Step 2Motor damagedReplace headlamp adjustment motor Op.   5540C24 
2CHECK HEADLAMP ADJUSTMENT CONTROLAll OKProblems metOperation
Check that the headlamp adjuster is working( See   E3080  HEADLAMP AGLINMENT CORRECTOR ).Continue to Step 3Headlamp adjuster faultyRepair or replace the headlamp adjuster Op.   5540C18 
3CHECK HEADLAMP ADJUSTER ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • connection between junction unit and headlamp adjuster control
  • connection between junction unit and headlamp adjustment motor
  • earths for headlamp adjustment motors and headlamp adjuster control
( See   E3080  HEADLAMP AGLINMENT CORRECTOR ).
Continue to Step 4Connections brokenRestore the connections
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'